Astronomy:NGC 996

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NGC 996
File:250px
DSS image of NGC 996 (center)
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension 02h 38m 39.865s[1]
Declination+41° 38′ 51.27″[1]
Redshift0.015409[2]
Helio radial velocity4584 km/s[2]
Distance203.3 Mly (62.34 Mpc)[3]
Apparent magnitude (B)14.5[2]
Characteristics
TypeE[2]
Other designations
UGC 2123, MCG+07-06-045, PGC 10015[2]

NGC 996 is an elliptical galaxy of the Hubble type E0 in the constellation Andromeda. It is estimated to be 210 million light years from the Milky Way and has a diameter of approximately 75,000 ly. It was discovered on December 7, 1871 by astronomer Édouard Stephan.[4][5][6]

Supernova

One supernova has been observed in NGC 996: SN 1996bq (type unknown, mag. 18.7) was discovered by Christian Pollas on 12 October 1996.[7][8]

See also

References

  1. ↑ 1.0 1.1 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W. et al. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal 131 (2): 1163–1183. doi:10.1086/498708. ISSN 0004-6256. Bibcode: 2006AJ....131.1163S. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 "NGC 996". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+996. 
  3. ↑ Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal 655 (2): 790–813. doi:10.1086/510201. Bibcode: 2007ApJ...655..790C. 
  4. ↑ Ford, Dominic. "The galaxy NGC 996 - In-The-Sky.org" (in en). https://in-the-sky.org/data/object.php?id=NGC996. 
  5. ↑ "Revised NGC Data for NGC 996". http://spider.seds.org/ngc/revngcic.cgi?NGC%20996. 
  6. ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+996&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES. 
  7. ↑ Pollas, C. (1996). "Supernova 1996bq in NGC 996". International Astronomical Union Circular (6500): 1. Bibcode: 1996IAUC.6500....1P. http://www.cbat.eps.harvard.edu/iauc/06500/06500.html#Item1. 
  8. ↑ "SN 1996bq". IAU. https://www.wis-tns.org/object/1996bq. 




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